Re: [PATCH] drm/panel: Rocktech jh057n00900: Add terminating newlines to logging

From: Sam Ravnborg
Date: Thu Apr 04 2019 - 15:09:08 EST


Hi Joe.

> > >
> > > ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
> > > if (ret < 0) {
> > > - DRM_DEV_ERROR(dev, "Failed to exit sleep mode");
> > > + DRM_DEV_ERROR(dev, "Failed to exit sleep mode\n");
> >
> > I was under the impression that newlines was optional these days.
> > Should we always use them with logging?
>
> Yes.
>
> The general problem is KERN_CONT/pr_cont uses where interleaving
> is still possible from multiple threads.
>
> > I did not find any obvious clues in linux/printk.h
>
> I'll see about adding something one day to the Documentation.
> Likely in coding-style.rst.

Thanks for the clarification.
A seperate doc on logging would be awesome.

Sam